Home / 58,679.20-80,951.88-39,274.84

Finding the Fourth Proportional to 58,679.20, 80,951.88 and 39,274.84

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Solution

The fourth proportional to 58,679.20, 80,951.88 and 39,274.84 is: 54,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,679.20 : 80,951.88 = 39,274.84 : x
  2. Step 2: Convert to fraction form
    58,679.20/80,951.88 = 39,274.84/x
  3. Step 3: Cross multiply
    58,679.20x = 80,951.88 × 39,274.84
  4. Step 4: Simplify right side
    58,679.20x = 3,179,372,134.70
  5. Step 5: Solve for x
    x = 3,179,372,134.70/58,679.20
  6. Step 6: Final answer
    x = 54,182.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.